Air purifier



FIG. 1 is a perspective view of a preferred embodiment of the airpurifier of the present invention;

FIG. 2 is a front view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a rear view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is the bottom view thereof.

The broken line showing of parts of the drawings is included for thepurpose of illustrating use and environment and forms no part of theclaimed design.

The ornamental design for an air purifier, as shown and described.